Suture anchor and method

A - Human Necessities – 61 – B

Patent

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Details

A61B 17/04 (2006.01) A61B 17/06 (2006.01) A61B 17/11 (2006.01)

Patent

CA 2494905

A suture anchor (30) for approximating tissue to bone comprises an anchor member (32) for securing the suture anchor (30) to the bone and a plurality of sutures (46) mounted to the anchor member (32) so that the sutures (46) extend outwardly from the anchor member (32). Each suture (46) has a sharp pointed end (54, 56) and a plurality of barbs (48) which permit movement of the sutures (46) through the tissue in one direction of movement of the pointed end (54, 56) and prevent movement of the sutures (46) relative to the tissue in the opposite direction. The ends (54, 56) of the sutures are inserted and pushed through the tissue along a curvilinear path in a direction away from the bone. The exit and entry points of two of the sutures (46) are adjacent and the paths of the sutures (46) substantially mirror one another.

L'invention concerne une ancrage pour suture (30) permettant de rapprocher un tissu à l'os comprenant un élément d'ancrage (32) permettant de fixer l'ancrage pour suture (30) à l'os et une pluralité de sutures (46) montée sur l'élément d'ancrage (32) de manière que les sutures (46) s'étendent vers l'extérieur depuis l'élément d'ancrage (32). Chaque suture (46) présente une extrémité pointue affûtée (54, 56) et une pluralité d'ardillons (48) permettant le mouvement des sutures (46) à travers le tissu dans un sens de mouvement de l'extrémité pointue (54, 56) et évitant le mouvement des sutures (46) par rapport à la sortie dans le sens opposé. Les extrémités (54, 56) des sutures sont insérées et acheminées à travers le tissu le long d'un trajet curviligne dans un sens s'éloignant de l'os. Les points de sortie et d'entrée des deux sutures (46) sont adjacents et les trajets des sutures (46) sont sensiblement en regard.

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